1910] The Ottawa Naturalist 215 



long and showy, deep yellow; disk-corollas with short villous 

 tube and much larger subclavate throat; achenes small, black, 

 glabrous, but with a line of shortly stipitate glands besetting the 

 4 or 5 prominent angles; pappus short, firm, white, liarbellate- 

 scabrous. 



Plant of the Rocky Mountains northward, in Alberta, the 

 type in U. S. Herb, from Vermillion Movmtain, near Banif, 24th 

 July, 1899, W. C. McCalla, the specimens in flower only; but the 

 account of the achenes and pappus is drawn from specimens in 

 my own herbarium, also from the vicinitv of Banff, b\- Miss 

 Edith M. Farr, who gathered them at Mt. Fairview, 18th August, 

 1905. 



A. falconaria. Upright, stout and siii:.ple, 10 to 16 inches 

 high, rather pale with a minute but sparse viscidulous pubescence, 

 the stems and petioles somewhat villous; leaves mainh- sub- 

 cordate-oval, obtusish, irregularly and coarsely dentate, \]4 to 

 2% inches long, tapering very abruptly to a petiole as long, the 

 reduced upper cauline pair either spatulate and sessile, or with 

 short broadly-winged petiole; heads 1 to 3, large, on moderately 

 long peduncles; involucre campanulate, of about 10 rather broad 

 elliptic-lanceolate thin sparsely villous bracts; rays, none; disk- 

 corollas ^vith short villous-hirtellous tube and much longer 

 narrow funnelform throat, the segments all villous at tip; 

 achenes slender, sparsely short-setulose and as sparsely beset 

 with minute sessile glands; pappus white, barbellate. 



Falcon Valley, Washington, 27th June, 1892, W. N. Suksdorf ; 

 type in U. S. Herb, under No. 1617, labelled .4. cordijolia, var. 

 eradiata,Gva.y; but the plant bears no intimate relation to that 

 particular species. 



A. EvERMANMi. Low, leafy at base, the peduncles several, 

 mostly subscapiform, the wdiole plant 5 to 7 inches high; leaves 

 deep green, not thin, ovate-subcordate to ovate-lanceolate with 

 subtruncate base, about 2 inches long, the petioles about as long, 

 the single cauline pair as large but spatulate, all acutish, remotel_\- 

 and saliently dentate, the pubescence very scanty; involucres 

 turbinate-campanulate, nearly ^ inch high, bracts 9 to 11, thin, 

 subbiserial, linear-lanceolate, acuminate, viscidly villous; rays 

 of medium length but very narro^v; disk-corollas with short 

 thinly setulose tube and longer narrow-funnelform throat : 

 achenes linear, stirate, minutely short-setulose; pappus white, 

 barbellate. 



Subalpine species of Northern Idaho and adjacent Wash- 

 ington, found at altitudes of 7,000 to 10,000 feet; the type by 

 B.' W. Evermann, from shores of Pettit Lake, 13th August, 1895. 



